Why are torque specs important for head gasket?
Why are torque specs important for head gasket? Manufacturers provide torque specifications to guide mechanics in properly tightening the bolts connecting the cylinder heads to the main engine. Improper tightening of the bolts on a cylinder head results in uneven distribution of tension across both the bolts and the head gasket. What kind of bolts do I need to change my head gasket? If you have an A10 or early A12, get a set of newer bolts marked '13' on the head, and use the high torque specification. Older bolts do not clamp the head gasket tight enough. These bolts...